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Finding the Fourth Proportional to 114,406.62, 157,706.13 and 80,319.48

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Solution

The fourth proportional to 114,406.62, 157,706.13 and 80,319.48 is: 110,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,406.62 : 157,706.13 = 80,319.48 : x
  2. Step 2: Convert to fraction form
    114,406.62/157,706.13 = 80,319.48/x
  3. Step 3: Cross multiply
    114,406.62x = 157,706.13 × 80,319.48
  4. Step 4: Simplify right side
    114,406.62x = 12,666,873,952.82
  5. Step 5: Solve for x
    x = 12,666,873,952.82/114,406.62
  6. Step 6: Final answer
    x = 110,718.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.